Grade 4_11.4 _Use Common Multiples to Write Equivalent Fractions

​Success Criteria

Multiple Choice

Write 3/5 and 1/3 as a pair of fractions with a common denominator?

• 8/20 and 2/20
• 6/15 and 4/15
• 9/15 and 5/15
• 3/10 and 5/10

Multiple Choice

What is the first step to write the fractions 3/5​ and 1/3​ with a common denominator?

• Multiply the numerators together

• Add both fractions

• Find the least common denominator of the two fractions

• Change both denominators to 1

Multiple Choice

What is true about two fractions that have a common denominator?

• The numerators will tell the value of the fractions.

• The fractions cannot be compared without converting them.
• Both fractions are equal even if the numerators are not equal.

• The denominators determine the value of the fractions.

• Step 1: List some multiples of 5 and 4 until you find one they both share.

• Step 2: Think: What number do you multiply 5 by to get 20 and what number do you multiply 4 by to get 20?

• Use those same numbers to multiply the top (numerator) and bottom (denominator) of each fraction.

Open Ended

Turn and talk _ Share Your Thinking

How can you use the denominators to compare two fractions with the same numerators?

Multiple Choice

How can you use the denominators to compare two fractions that have the same numerators?

• The fraction with the larger denominator is greater

• The fraction with the smaller denominator is greater

• The denominators don’t matter if the numerators are the same

• The fraction with the larger numerator is always greater

Multiple Choice

How can you use the numerators to compare two fractions that have the same denominators?

• Ignore the numerators and focus on the denominators.
• Multiply the numerators and denominators.

• Add the denominators together.
• Compare the numerators directly

​Complete your check understanding in the HMH text book then use your Plickers card to show your answer

Group A: 0 -49%
Group B 50 - 89%
Group C: 90 -100%

As soon as you have seen your score , quickly regroup!

Open Ended

What did you discover about equivalent fractions and multiples today?

Poll

How confident do you feel about using multiples to find equivalent fraction?

• I can explain it and show it to someone else.

• I understand it, but I need a little more practice

• I kind of get it but im still unsure.

• I am confuse and need help

​Get ready to respond to this question. You can use plickers or your copybook.